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href="/front-end-playground/front-end-others/d3-tree/6-add-smart-menu.html" aria-current="page" class="active sidebar-link">6. 添加右键菜单</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/front-end-playground/front-end-others/d3-tree/6-add-smart-menu.html#smartmenu" class="sidebar-link">smartMenu</a></li><li class="sidebar-sub-header"><a href="/front-end-playground/front-end-others/d3-tree/6-add-smart-menu.html#添加资源" class="sidebar-link">添加资源</a></li><li class="sidebar-sub-header"><a href="/front-end-playground/front-end-others/d3-tree/6-add-smart-menu.html#添加菜单" class="sidebar-link">添加菜单</a></li></ul></li><li><a href="/front-end-playground/front-end-others/d3-tree/7-text-path.html" class="sidebar-link">7. 曲线上的文字 textPath</a></li><li><a href="/front-end-playground/front-end-others/d3-tree/8-add-path-click.html" class="sidebar-link">8. 曲线 hover 和点击</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0" style="padding-top:;"><!----> <p class="sidebar-heading"><span>试试 Three.js</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0" style="padding-top:;"><!----> <p class="sidebar-heading"><span>BOX2D.js 文档与教程</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><p>因为业务需要折腾起了图表，该系列用于记录使用该库制作 Tree 图表的一些笔记。上节讲了个很简单的添加浮层，这节我们来讲个更简单的，添加右键菜单。</p> <h1 id="添加右键菜单"><a href="#添加右键菜单" class="header-anchor">#</a> 添加右键菜单</h1> <h2 id="smartmenu"><a href="#smartmenu" class="header-anchor">#</a> smartMenu</h2> <p>smartMenu 是网上一个可以右键自定义上下文菜单的 jQuery 插件，具体 api 请查看<a href="https://www.smartmenus.org/docs/" target="_blank" rel="noopener noreferrer">SmartMenus for jQuery<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>，这里不进行详细的说明。</p> <h2 id="添加资源"><a href="#添加资源" class="header-anchor">#</a> 添加资源</h2> <p>首先我们需要添加对应的资源，由于 smartMenu 是基于 jQuery 的，故我们还需要引入 jQuery：</p> <div class="language-html extra-class"><pre class="language-html"><code><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>link</span> <span class="token attr-name">href</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./smartMenu/smartMenu.css<span class="token punctuation">&quot;</span></span> <span class="token attr-name">rel</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>stylesheet<span class="token punctuation">&quot;</span></span> <span class="token punctuation">/&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>https://cdn.bootcss.com/jquery/3.2.1/jquery.js<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token script"></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">&quot;</span>./smartMenu/smartMenu.js<span class="token punctuation">&quot;</span></span><span class="token punctuation">&gt;</span></span><span class="token script"></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
</code></pre></div><p>当然，如果你是需要在模块化中使用，也可以通过<code>npm install smartmenus</code>来安装依赖。</p> <h2 id="添加菜单"><a href="#添加菜单" class="header-anchor">#</a> 添加菜单</h2> <p>代码很简单，我们只需要全局进行 smartMenu 初始化，并绑定到响应节点，这里是类名为 node 的 g 元素：</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// 定义菜单选项</span>
<span class="token keyword">var</span> userMenuData <span class="token operator">=</span> <span class="token punctuation">[</span>
  <span class="token punctuation">[</span>
    <span class="token punctuation">{</span>
      text<span class="token operator">:</span> <span class="token string">&quot;菜单1&quot;</span><span class="token punctuation">,</span>
      <span class="token function-variable function">func</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token comment">// id为节点id</span>
        <span class="token keyword">var</span> id <span class="token operator">=</span> <span class="token function">Number</span><span class="token punctuation">(</span><span class="token function">$</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">attr</span><span class="token punctuation">(</span><span class="token string">&quot;id&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">&quot;菜单1&quot;</span><span class="token punctuation">,</span> id<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span><span class="token punctuation">,</span>
    <span class="token punctuation">{</span>
      text<span class="token operator">:</span> <span class="token string">&quot;菜单2&quot;</span><span class="token punctuation">,</span>
      <span class="token function-variable function">func</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token keyword">var</span> id <span class="token operator">=</span> <span class="token function">Number</span><span class="token punctuation">(</span><span class="token function">$</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">attr</span><span class="token punctuation">(</span><span class="token string">&quot;id&quot;</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token function">alert</span><span class="token punctuation">(</span><span class="token string">&quot;菜单1&quot;</span><span class="token punctuation">,</span> id<span class="token punctuation">)</span><span class="token punctuation">;</span>
      <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>
  <span class="token punctuation">]</span>
<span class="token punctuation">]</span><span class="token punctuation">;</span>
<span class="token comment">// 事件监听方式添加事件绑定</span>
<span class="token function">$</span><span class="token punctuation">(</span><span class="token string">&quot;body&quot;</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">smartMenu</span><span class="token punctuation">(</span>userMenuData<span class="token punctuation">,</span> <span class="token punctuation">{</span>
  name<span class="token operator">:</span> <span class="token string">&quot;chatRightControl&quot;</span><span class="token punctuation">,</span>
  container<span class="token operator">:</span> <span class="token string">&quot;g.node&quot;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>这里我们需要确认选中的是哪个节点，故我们用 id 的方式标志。前面我们 id 是通过从 1 开始的整数：</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token comment">// 给节点添加id，用于选择集索引</span>
<span class="token keyword">var</span> node <span class="token operator">=</span> view<span class="token punctuation">.</span><span class="token function">selectAll</span><span class="token punctuation">(</span><span class="token string">&quot;g.node&quot;</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">data</span><span class="token punctuation">(</span>nodes<span class="token punctuation">,</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">d</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">return</span> d<span class="token punctuation">.</span>id <span class="token operator">||</span> <span class="token punctuation">(</span>d<span class="token punctuation">.</span>id <span class="token operator">=</span> <span class="token operator">++</span>i<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre></div><p>故我们可以通过添加属性的方式，来把节点的 id 添加到元素上，因为在 smartMenu 中，<code>func</code>属性的<code>function</code>中，this 是指向被右键选中的 dom 元素（故这里不能使用箭头函数）。</p> <div class="language-js extra-class"><pre class="language-js"><code><span class="token keyword">var</span> nodeEnter <span class="token operator">=</span> node
  <span class="token punctuation">.</span><span class="token function">enter</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
  <span class="token punctuation">.</span><span class="token function">append</span><span class="token punctuation">(</span><span class="token string">&quot;g&quot;</span><span class="token punctuation">)</span>
  <span class="token punctuation">.</span><span class="token function">attr</span><span class="token punctuation">(</span><span class="token string">&quot;class&quot;</span><span class="token punctuation">,</span> <span class="token string">&quot;node&quot;</span><span class="token punctuation">)</span>
  <span class="token punctuation">.</span><span class="token function">attr</span><span class="token punctuation">(</span><span class="token string">&quot;id&quot;</span><span class="token punctuation">,</span> <span class="token parameter">d</span> <span class="token operator">=&gt;</span> d<span class="token punctuation">.</span>id<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">// ...其他操作</span>
</code></pre></div><p>最终效果如图：
<img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/1513575655%281%29.jpg" alt="image"></p> <h1 id="结束语"><a href="#结束语" class="header-anchor">#</a> 结束语</h1> <p>本节简单介绍了给节点添加右键菜单的过程，当然，大多数都是 smartMenu 的工作。这里只介绍了最简单的配置方式，还有分块配置、多层子菜单配置，甚至看文档说明似乎支持移动端，这个插件挺好用的，小伙伴们可以研究下。</p> <p><a href="https://github.com/godbasin/godbasin.github.io/tree/blog-codes/d3-tree-notes/6-add-smart-menu" target="_blank" rel="noopener noreferrer">此处查看项目代码<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a><br> <a href="http://d3.godbasin.com/6-add-smart-menu/index.html" target="_blank" rel="noopener noreferrer">此处查看页面效果<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p></div> <!----> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/godbasin/front-end-playground/edit/sourcecode/docs/front-end-others/d3-tree/6-add-smart-menu.md" target="_blank" rel="noopener noreferrer">帮阿猪改善此页面！</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <!----> <blockquote>部分文章中使用了一些网站的截图，如果涉及侵权，请告诉我删一下谢谢~</blockquote> <div style="margin-top:30px;"><div class="el-row" style="margin-left:-10px;margin-right:-10px;"><div class="el-col el-col-24 el-col-sm-0 el-col-md-2 el-col-lg-4" style="padding-left:10px;padding-right:10px;display:block;"><div style="width:1px;height:1px;"></div></div> <div class="el-col el-col-24 el-col-sm-24 el-col-md-18 el-col-lg-16" style="padding-left:10px;padding-right:10px;"><div class="el-card box-card is-always-shadow"><div class="el-card__header"><div class="clearfix"><span>温馨提示喵</span></div></div><div class="el-card__body"> <div class="el-row" style="margin-left:-10px;margin-right:-10px;"><div class="el-col el-col-24 el-col-xs-24 el-col-sm-12" style="padding-left:10px;padding-right:10px;"><div class="el-image"><div class="image-slot"><img src="https://github-imglib-1255459943.cos.ap-chengdu.myqcloud.com/assets/img/loading.gif" style="width:100%;"></div><!----></div></div> <div class="el-col el-col-24 el-col-xs-24 el-col-sm-12" style="padding-left:10px;padding-right:10px;"><div class="copyright-text"><div>本文版权归作者所有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。</div> <div>出处：被删的前端游乐场</div> <div>作者：<a href="https://github.com/godbasin" target="_blank">被删</a></div></div></div></div></div></div></div></div></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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